Under the new signing, Rimas plans to "revive his classic reggaeton sound" and "propel his music into the future," according to a statement.
Kilduff previously served as CFO for non-profit organization, the Gary Sinise Foundation.
Stainer succeeds David Joseph, who announced he was stepping down from the role after almost 17 years in charge.
The Bay Area hip-hop juggernaut recruits label veteran Cameron Walsh to lead its activities in Australia as Australian territory manager.
"I felt their passion and love for music when I met with them, and I knew I was home," Shelton said in a statement.
The longtime executive is leaving the music business to study religion and theology.
The new executive structure will include several Atlantic veterans as well as former 10K Projects executives, as the new-look Atlantic takes shape.
UMG succeeded in providing a vision for the future of streaming and believable financial targets, according to a handful of equity analysts.
This year’s restructuring plan has reduced WMG’s head count by 750 and will save $260 million annually.
Alemeda has signed with Top Dawg Entertainment (TDE) and Warner Records, Billboard can exclusively announce Friday (Sept. 20).